Jason Beaubien
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Why cholera is striking in Africa. It's a disease that's easy to control with proper treatment. But without medical care, patients can perish quickly. -
Brazil has launched a massive vaccination campaign to protect against a disease that has killed hundreds of people. But it's facing huge challenges, including a shortage of the yellow fever vaccine. -
The world has wiped out only one human disease: smallpox. Guinea worm disease looks like it's on the verge of being the second.
